Question # 1

The energy stored in coal is

Choose an answer

Heat Energy

Kinetic energy

Chemical energy

Nuclear energy

The ratio of output to input is called:

Choose an answer

work

Efficiency

Force

All of above

If 1N is force and body is displaced to 1m than work is :

Choose an answer

2 J

1 J

3 J

4 J

_____________ can neither be created nor be destroyed.

Choose an answer

Light

Force

Energy

Weight

Running water possess energy:

Choose an answer

Kinetic

Potential

Elastic Potential energy

Gravitational potential energy

If the force of 25 N pulls a stone through a distance of 5 cm in its direction the magnitude of work will be:

Choose an answer

5 J

125 J

175 J

200 J

What type of conversion is done candle burning?

Choose an answer

Chemical __ ;light

Chemical __ heat

Both a & b

None of above

Above of mass 50 kg is raised to a height of 3m. what is its P.E

Choose an answer

500 J

1000 J

1500 J

2000 J

Solar energy is a type of.

Choose an answer

Renewable

Non-renewable

Natural

None

The kinetic energy of a body of mass 2 kg is 25J, its speed is

Choose an answer

5 ms-1

12.5 ms-1

25 ms-1

50 ms-1

Fossil fuels are usually:

Choose an answer

Carbon di oxide

Hydrogen

Hydrocarbons

Carbon monoxide

The S.I unit of power is :

Choose an answer

j/s2

J

W

J/M2

Einstein's mass-energy equation relation is:

Choose an answer

E =1/2 mc²

E =mc²

E =m²c

E = 2 mc²

More Classes

Other Links

9th Class Physics Chapter 6 Work and Energy English Medium KPK Boards Online Mcqs MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer